[10709] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[12009] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[10709] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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[10905] | 23 | using System.Collections.Generic;
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[10709] | 24 | using System.Drawing;
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[12718] | 25 | using System.Globalization;
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| 26 | using System.Linq;
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| 27 | using System.Text;
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[10709] | 28 | using System.Windows.Forms;
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| 29 | using HeuristicLab.Core.Views;
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| 30 | using HeuristicLab.MainForm;
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| 31 |
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| 32 | namespace HeuristicLab.DataPreprocessing.Views {
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| 33 |
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| 34 | [View("Manipulation Chart View")]
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[10712] | 35 | [Content(typeof(ManipulationContent), true)]
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[10709] | 36 | public partial class ManipulationView : ItemView {
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| 37 |
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| 38 | private Action[] validators;
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| 39 | private Action[] manipulations;
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| 40 |
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| 41 | public ManipulationView() {
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| 42 | InitializeComponent();
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[10776] | 43 | cmbReplaceWith.SelectedIndex = 0;
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[10709] | 44 | tabsData.Appearance = TabAppearance.FlatButtons;
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| 45 | tabsData.ItemSize = new Size(0, 1);
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| 46 | tabsData.SizeMode = TabSizeMode.Fixed;
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| 47 | tabsPreview.Appearance = TabAppearance.FlatButtons;
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| 48 | tabsPreview.ItemSize = new Size(0, 1);
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| 49 | tabsPreview.SizeMode = TabSizeMode.Fixed;
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| 50 |
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| 51 | validators = new Action[] {
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[10737] | 52 | ()=>validateDeleteColumnsInfo(),
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| 53 | ()=>validateDeleteColumnsVariance(),
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| 54 | ()=>validateDeleteRowsInfo(),
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[10776] | 55 | ()=>validateReplaceWith(),
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[11537] | 56 | ()=>validateShuffle()
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[10709] | 57 | };
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[10737] | 58 |
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[10709] | 59 | manipulations = new Action[] {
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[10737] | 60 | ()=>Content.ManipulationLogic.DeleteColumnsWithMissingValuesGreater(getDeleteColumnsInfo()),
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| 61 | ()=>Content.ManipulationLogic.DeleteColumnsWithVarianceSmaller(getDeleteColumnsVariance()),
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| 62 | ()=>Content.ManipulationLogic.DeleteRowsWithMissingValuesGreater(getRowsColumnsInfo()),
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[10776] | 63 | ()=>replaceMissingValues(),
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[11537] | 64 | ()=>Content.ManipulationLogic.Shuffle(shuffleSeparatelyCheckbox.Checked)
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[10709] | 65 | };
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| 66 | }
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| 67 |
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[10905] | 68 | protected override void OnContentChanged() {
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| 69 | base.OnContentChanged();
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| 70 | if (Content != null) {
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| 71 | cmbVariableNames.Items.Clear();
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[11002] | 72 | foreach (var name in Content.ManipulationLogic.VariableNames) {
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[10905] | 73 | cmbVariableNames.Items.Add(name);
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| 74 | }
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| 75 | cmbVariableNames.SelectedIndex = 0;
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[10977] | 76 | CheckFilters();
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[10905] | 77 | }
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| 78 | }
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| 79 |
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[10737] | 80 | protected override void RegisterContentEvents() {
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| 81 | base.RegisterContentEvents();
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[10970] | 82 | Content.FilterLogic.FilterChanged += FilterLogic_FilterChanged;
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[10737] | 83 | }
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| 84 |
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| 85 | protected override void DeregisterContentEvents() {
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[11070] | 86 | Content.FilterLogic.FilterChanged -= FilterLogic_FilterChanged;
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[10737] | 87 | base.DeregisterContentEvents();
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| 88 | }
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| 89 |
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[10970] | 90 | private void FilterLogic_FilterChanged(object sender, EventArgs e) {
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| 91 | if (Content != null) {
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[10977] | 92 | CheckFilters();
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[10970] | 93 | }
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| 94 | }
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| 95 |
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[10977] | 96 | private void CheckFilters() {
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[10970] | 97 | if (Content.FilterLogic.IsFiltered) {
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| 98 | tabsPreview.SelectedIndex = 0;
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| 99 | lstMethods.Enabled = false;
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| 100 | tabsData.Enabled = false;
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| 101 | tabsPreview.Enabled = false;
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| 102 | lblPreviewInActive.Visible = true;
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| 103 | btnApply.Enabled = false;
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| 104 | } else {
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| 105 | lblPreviewInActive.Visible = false;
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| 106 | tabsData.Enabled = true;
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| 107 | tabsPreview.Enabled = true;
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| 108 | lstMethods.Enabled = true;
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| 109 | lstMethods_SelectedIndexChanged(null, null);
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| 110 | }
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| 111 | }
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| 112 |
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[10737] | 113 | private double getDeleteColumnsInfo() {
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| 114 | return double.Parse(txtDeleteColumnsInfo.Text);
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| 115 | }
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| 116 |
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| 117 | private double getDeleteColumnsVariance() {
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| 118 | return double.Parse(txtDeleteColumnsVariance.Text);
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| 119 | }
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| 120 |
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| 121 | private double getRowsColumnsInfo() {
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| 122 | return double.Parse(txtDeleteRowsInfo.Text);
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| 123 | }
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| 124 |
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[10776] | 125 | private void replaceMissingValues() {
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[10905] | 126 | var allIndices = Content.SearchLogic.GetMissingValueIndices();
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| 127 | var columnIndex = cmbVariableNames.SelectedIndex;
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| 128 | var columnIndices = new Dictionary<int, IList<int>>{
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| 129 | {columnIndex, allIndices[columnIndex]}
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| 130 | };
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| 131 |
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| 132 | switch (cmbReplaceWith.SelectedIndex) {
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[10776] | 133 | case 0: //Value
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[10905] | 134 | Content.ManipulationLogic.ReplaceIndicesByValue(columnIndices, txtReplaceValue.Text);
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[10776] | 135 | break;
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| 136 | case 1: //Average
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[10905] | 137 | Content.ManipulationLogic.ReplaceIndicesByAverageValue(columnIndices);
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[10776] | 138 | break;
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| 139 | case 2: //Median
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[10905] | 140 | Content.ManipulationLogic.ReplaceIndicesByMedianValue(columnIndices);
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[10776] | 141 | break;
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| 142 | case 3: //Most Common
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[10905] | 143 | Content.ManipulationLogic.ReplaceIndicesByMostCommonValue(columnIndices);
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[10776] | 144 | break;
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| 145 | case 4: //Random
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[10905] | 146 | Content.ManipulationLogic.ReplaceIndicesByRandomValue(columnIndices);
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[10776] | 147 | break;
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| 148 | }
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| 149 | }
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| 150 |
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[10737] | 151 | private void validateDeleteColumnsInfo() {
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| 152 | validateDoubleTextBox(txtDeleteColumnsInfo.Text);
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| 153 | if (btnApply.Enabled) {
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[12718] | 154 | var filteredColumns = Content.ManipulationLogic.ColumnsWithMissingValuesGreater(getDeleteColumnsInfo());
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| 155 | int count = filteredColumns.Count;
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| 156 | int columnCount = Content.FilterLogic.PreprocessingData.Columns;
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| 157 | lblPreviewColumnsInfo.Text = count + " column" + (count > 1 || count == 0 ? "s" : "") + " of " + columnCount + " (" + string.Format("{0:F2}%", 100d / columnCount * count) + ") were detected with more than " + txtDeleteColumnsInfo.Text + "% missing values.";
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[10737] | 158 | if (count > 0) {
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[12718] | 159 | StringBuilder sb = new StringBuilder();
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| 160 | sb.Append(Environment.NewLine);
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| 161 | sb.Append("Columns: ");
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| 162 | sb.Append(Content.SearchLogic.VariableNames.ElementAt(filteredColumns.ElementAt(0)));
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| 163 | for (int i = 1; i < filteredColumns.Count; i++) {
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| 164 | string columnName = Content.SearchLogic.VariableNames.ElementAt(filteredColumns.ElementAt(i));
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| 165 | sb.Append(", ");
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| 166 | sb.Append(columnName);
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| 167 | }
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| 168 | sb.Append(Environment.NewLine);
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| 169 | sb.Append("Please press the button \"Apply Manipulation\" if you wish to delete those columns.");
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| 170 |
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| 171 | lblPreviewColumnsInfo.Text += sb.ToString();
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[10737] | 172 | } else {
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| 173 | btnApply.Enabled = false;
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| 174 | }
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| 175 | } else {
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| 176 | lblPreviewColumnsInfo.Text = "Preview not possible yet - please input the limit above.";
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| 177 | }
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| 178 | }
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| 179 |
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| 180 | private void validateDeleteColumnsVariance() {
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| 181 | validateDoubleTextBox(txtDeleteColumnsVariance.Text);
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| 182 | if (btnApply.Enabled) {
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[12718] | 183 | var filteredColumns = Content.ManipulationLogic.ColumnsWithVarianceSmaller(getDeleteColumnsVariance());
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| 184 | int count = filteredColumns.Count;
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| 185 | int columnCount = Content.FilterLogic.PreprocessingData.Columns;
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| 186 | lblPreviewColumnsVariance.Text = count + " column" + (count > 1 || count == 0 ? "s" : "") + " of " + columnCount + " (" + string.Format("{0:F2}%", 100d / columnCount * count) + ") were detected with a variance smaller than " + txtDeleteColumnsVariance.Text + ".";
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[10737] | 187 | if (count > 0) {
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[12718] | 188 | StringBuilder sb = new StringBuilder();
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| 189 | sb.Append(Environment.NewLine);
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| 190 | sb.Append("Columns: ");
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| 191 | sb.Append(Content.SearchLogic.VariableNames.ElementAt(filteredColumns.ElementAt(0)));
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| 192 | for (int i = 1; i < filteredColumns.Count; i++) {
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| 193 | string columnName = Content.SearchLogic.VariableNames.ElementAt(filteredColumns.ElementAt(i));
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| 194 | sb.Append(", ");
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| 195 | sb.Append(columnName);
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| 196 | }
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| 197 | sb.Append(Environment.NewLine);
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| 198 | sb.Append("Please press the button \"Apply Manipulation\" if you wish to delete those columns.");
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| 199 |
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| 200 | lblPreviewColumnsVariance.Text += sb.ToString();
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[10737] | 201 | } else {
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| 202 | btnApply.Enabled = false;
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| 203 | }
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| 204 | } else {
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| 205 | lblPreviewColumnsVariance.Text = "Preview not possible yet - please input the limit for the variance above.";
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| 206 | }
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| 207 | }
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| 208 |
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| 209 | private void validateDeleteRowsInfo() {
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| 210 | validateDoubleTextBox(txtDeleteRowsInfo.Text);
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| 211 | if (btnApply.Enabled) {
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| 212 | int count = Content.ManipulationLogic.RowsWithMissingValuesGreater(getRowsColumnsInfo()).Count;
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[11045] | 213 | int rowCount = Content.FilterLogic.PreprocessingData.Rows;
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| 214 | lblPreviewRowsInfo.Text = count + " row" + (count > 1 || count == 0 ? "s" : "") + " of " + rowCount + " (" + string.Format("{0:F2}%", 100d / rowCount * count) + ") were detected with more than " + txtDeleteRowsInfo.Text + "% missing values.";
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[10737] | 215 | if (count > 0) {
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| 216 | lblPreviewRowsInfo.Text += Environment.NewLine + Environment.NewLine + "Please press the button \"Apply Manipulation\" if you wish to delete those rows.";
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| 217 | } else {
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| 218 | btnApply.Enabled = false;
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| 219 | }
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| 220 | } else {
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| 221 | lblPreviewRowsInfo.Text = "Preview not possible yet - please input the limit above.";
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| 222 | }
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| 223 | }
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| 224 |
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[10776] | 225 | private void validateReplaceWith() {
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| 226 | btnApply.Enabled = false;
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[10905] | 227 | string replaceWith = (string)cmbReplaceWith.SelectedItem;
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| 228 | int columnIndex = cmbVariableNames.SelectedIndex;
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| 229 |
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[10776] | 230 | if (cmbReplaceWith.SelectedIndex == 0) {
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[10905] | 231 | string errorMessage;
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| 232 | string replaceValue = txtReplaceValue.Text;
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| 233 | if (string.IsNullOrEmpty(replaceValue)) {
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| 234 | lblPreviewReplaceMissingValues.Text = "Preview not possible yet - please input the text which will be used as replacement.";
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[11002] | 235 | } else if (!Content.ManipulationLogic.PreProcessingData.Validate(txtReplaceValue.Text, out errorMessage, columnIndex)) {
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[10905] | 236 | lblPreviewReplaceMissingValues.Text = "Preview not possible yet - " + errorMessage;
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| 237 | } else {
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| 238 | btnApply.Enabled = true;
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| 239 | }
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| 240 | replaceWith = "\"" + replaceValue + "\"";
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[10776] | 241 | } else {
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| 242 | btnApply.Enabled = true;
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| 243 | }
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| 244 | if (btnApply.Enabled) {
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[10905] | 245 | var allIndices = Content.SearchLogic.GetMissingValueIndices();
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| 246 | int count = allIndices[columnIndex].Count;
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[11070] | 247 | int cellCount = Content.FilterLogic.PreprocessingData.Rows * Content.FilterLogic.PreprocessingData.Columns;
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[10905] | 248 | lblPreviewReplaceMissingValues.Text = count + " cell" + (count > 1 || count == 0 ? "s" : "")
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[11045] | 249 | + " of " + cellCount + " (" + string.Format("{0:F2}%", 100d / cellCount * count) + ") were detected with missing values which would be replaced with " + replaceWith;
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[10776] | 250 | if (count > 0) {
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| 251 | lblPreviewReplaceMissingValues.Text += Environment.NewLine + Environment.NewLine + "Please press the button \"Apply Manipulation\" if you wish to perform the replacement.";
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| 252 | } else {
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| 253 | btnApply.Enabled = false;
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| 254 | }
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| 255 | }
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| 256 | }
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| 257 |
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[11537] | 258 | private void validateShuffle() {
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| 259 | btnApply.Enabled = true;
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| 260 | lblShuffleProperties.Enabled = false;
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| 261 | lblShuffleProperties.Visible = false;
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| 262 | shuffleSeparatelyCheckbox.Enabled = true;
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| 263 | shuffleSeparatelyCheckbox.Visible = true;
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| 264 | }
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| 265 |
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[10709] | 266 | public new ManipulationContent Content {
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| 267 | get { return (ManipulationContent)base.Content; }
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| 268 | set { base.Content = value; }
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| 269 | }
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| 270 |
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| 271 | private void lstMethods_SelectedIndexChanged(object sender, System.EventArgs e) {
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| 272 | int index = lstMethods.SelectedIndex;
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| 273 | tabsData.SelectedIndex = index + 1;
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| 274 | tabsPreview.SelectedIndex = index + 1;
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| 275 | btnApply.Enabled = false;
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| 276 |
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[10737] | 277 | //in order that button is enabled if necessary input was already entered
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[10710] | 278 | if (index >= 0) {
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| 279 | validators[index]();
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| 280 | }
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[10709] | 281 | }
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| 282 |
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| 283 | private void btnApply_Click(object sender, System.EventArgs e) {
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| 284 | manipulations[lstMethods.SelectedIndex]();
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[10737] | 285 | switch (lstMethods.SelectedIndex) {
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| 286 | case 0:
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| 287 | lblPreviewColumnsInfo.Text = "columns successfully deleted.";
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| 288 | break;
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| 289 | case 1:
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| 290 | lblPreviewColumnsVariance.Text = "columns successfully deleted.";
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| 291 | break;
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| 292 | case 2:
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| 293 | lblPreviewRowsInfo.Text = "rows successfully deleted.";
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| 294 | break;
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| 295 | case 3:
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[10905] | 296 | lblPreviewReplaceMissingValues.Text = "missing values successfully replaced.";
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| 297 | btnApply.Enabled = false;
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| 298 | break;
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| 299 | case 4:
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[10737] | 300 | lblPreviewShuffle.Text = "dataset shuffled successfully.";
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| 301 | btnApply.Enabled = false;
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| 302 | break;
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| 303 | }
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[10709] | 304 | }
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| 305 |
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| 306 | private void validateDoubleTextBox(String text) {
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| 307 | btnApply.Enabled = false;
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| 308 | if (!string.IsNullOrEmpty(text)) {
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| 309 | double percent;
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[12718] | 310 | if (Double.TryParse(text, NumberStyles.Number ^ NumberStyles.AllowThousands, CultureInfo.CurrentCulture, out percent)) {
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[10709] | 311 | btnApply.Enabled = true;
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| 312 | }
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| 313 | }
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| 314 | }
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| 315 |
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| 316 | private void txtDeleteColumnsInfo_TextChanged(object sender, EventArgs e) {
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[10737] | 317 | validateDeleteColumnsInfo();
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[10709] | 318 | }
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| 319 |
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| 320 | private void txtDeleteColumnsVariance_TextChanged(object sender, EventArgs e) {
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[10737] | 321 | validateDeleteColumnsVariance();
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[10709] | 322 | }
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| 323 |
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| 324 | private void txtDeleteRowsInfo_TextChanged(object sender, EventArgs e) {
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[10737] | 325 | validateDeleteRowsInfo();
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[10709] | 326 | }
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[10737] | 327 |
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[10776] | 328 | private void cmbReplaceWith_SelectedIndexChanged(object sender, EventArgs e) {
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| 329 | bool isReplaceWithValueSelected = cmbReplaceWith.SelectedIndex == 0;
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| 330 | lblValueColon.Visible = isReplaceWithValueSelected;
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| 331 | txtReplaceValue.Visible = isReplaceWithValueSelected;
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| 332 | validateReplaceWith();
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| 333 | }
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| 334 |
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| 335 | private void txtReplaceValue_TextChanged(object sender, EventArgs e) {
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| 336 | validateReplaceWith();
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| 337 | }
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[10709] | 338 | }
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| 339 | }
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